I applied my patch and commit it in my local repository (new commit, not as git amend)
Now I have this:

I have tried:

git push gerrit
fatal: 'gerrit' does not appear to be a git repository

but I need to define gerrit as remote repository (I did not do this, because I do not know how).

Some other questions:
- I am not a project commiter. Do I have right to push someting on gerrit ?
- How do I push a second change on gerrit, so that the change appears at the same place (in order to have a single point of discussion on gerrit) ?